Automatic grinding method and system for workpiece surface coating

The invention discloses an automatic grinding method and system for a coating on the surface of a workpiece, and the method comprises the steps that equipment information of grinding equipment and workpiece information of the workpiece are obtained, and the equipment information of the grinding equipment comprises the original rotating speed of the grinding equipment, the contact area of the grinding equipment and the diameter of the grinding equipment; the workpiece information of the workpiece comprises the surface area of a hole, the diameter of the hole, the surface area after the hole is removed and the distance from the center point of the hole to a grinding wheel contact point; setting a rotating speed adjusting model of the grinding equipment, calculating the adjusted rotating speed of the grinding equipment according to the equipment information of the grinding equipment, setting a grinding force adjusting model of the grinding equipment, calculating the adjusted grinding force of the grinding equipm